Podcast
Questions and Answers
What is the composition of the positive plates in a Nickel-Cadmium Secondary Cell?
What is the composition of the positive plates in a Nickel-Cadmium Secondary Cell?
- Nickel hydroxide (Ni(OH)) (correct)
- Cadmium hydroxide (Cd(OH))
- Lead-acid
- Potassium hydroxide (KOH)
What is the advantage of Nickel-Cadmium Secondary Cells over lead-acid type cells?
What is the advantage of Nickel-Cadmium Secondary Cells over lead-acid type cells?
- Lower cost
- Longer lifespan
- Higher energy density
- Ability to maintain a relatively steady voltage during high current discharge (correct)
What is the process by which the plates are made in a Nickel-Cadmium Secondary Cell?
What is the process by which the plates are made in a Nickel-Cadmium Secondary Cell?
- Electroplating
- Chemical deposition
- Sintering process (correct)
- Melting and casting
What is the purpose of stamping out the plates to the requisite size?
What is the purpose of stamping out the plates to the requisite size?
What is the composition of the electrolyte in a Nickel-Cadmium Secondary Cell?
What is the composition of the electrolyte in a Nickel-Cadmium Secondary Cell?
How are the positive and negative plates connected in a Nickel-Cadmium Secondary Cell?
How are the positive and negative plates connected in a Nickel-Cadmium Secondary Cell?
What is the primary benefit of using a Nickel-Cadmium Secondary Cell over a lead-acid type cell?
What is the primary benefit of using a Nickel-Cadmium Secondary Cell over a lead-acid type cell?
What is the purpose of using potassium hydroxide in the electrolyte solution?
What is the purpose of using potassium hydroxide in the electrolyte solution?
What is the result of impregnating the active materials into the plates by chemical deposition?
What is the result of impregnating the active materials into the plates by chemical deposition?
How are the plates constructed in a Nickel-Cadmium Secondary Cell?
How are the plates constructed in a Nickel-Cadmium Secondary Cell?
What is the typical relative density of the electrolyte solution in a Nickel-Cadmium Secondary Cell?
What is the typical relative density of the electrolyte solution in a Nickel-Cadmium Secondary Cell?
What is the final step in the construction of the positive and negative plate groups?
What is the final step in the construction of the positive and negative plate groups?
Study Notes
Nickel-Cadmium Secondary Cell
- Positive plates composed of nickel hydroxide (Ni(OH)â‚‚)
- Negative plates composed of cadmium hydroxide (Cd(OH)â‚‚)
- Electrolyte consists of distilled water and potassium hydroxide (KOH) with a relative density of 1.24 to 1.30
- Batteries have a relatively steady voltage during high-current discharge, making them suitable for engine starting
- Plates are constructed using a sintering process with active materials impregnated by chemical deposition
- This construction method allows for maximum active material usage in electrochemical reactions
- Plates are stamped to size and built into positive and negative plate groups, interleaved and connected to terminal posts, similar to lead-acid cells
Nickel-Cadmium Secondary Cell
- Positive plates composed of nickel hydroxide (Ni(OH)â‚‚)
- Negative plates composed of cadmium hydroxide (Cd(OH)â‚‚)
- Electrolyte consists of distilled water and potassium hydroxide (KOH) with a relative density of 1.24 to 1.30
- Batteries have a relatively steady voltage during high-current discharge, making them suitable for engine starting
- Plates are constructed using a sintering process with active materials impregnated by chemical deposition
- This construction method allows for maximum active material usage in electrochemical reactions
- Plates are stamped to size and built into positive and negative plate groups, interleaved and connected to terminal posts, similar to lead-acid cells
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Description
Learn about the composition and advantages of Nickel-Cadmium secondary cells, including their ability to maintain a steady voltage during high current discharge.
